Probably the biggest mystery of the automobile is the question "WHEN DO I CHANGE THE OIL IN MY CAR" There are so many variables and opinions on this question of "WHEN DO I CHANGE THE OIL IN MY CAR" that it prompted us years ago to do research on this subject. In the process of…

My car smokes when I first start it. What could the smoke be from? If the color is blue or blue/black, it could be that oil is being burned along with the fuel. The causes could be worn piston rings or oil viscosity that is too low. The numbers indicate the viscosity. Like 10w-30. If…